Cape Girardeau Missouri ZIP Codes

Cape Girardeau holds 3 ZIP codes, all inside one county and one postal prefix.

Every ZIP code in Cape Girardeau

The complete list of Cape Girardeau, Missouri ZIP codes with the county each falls in.
ZIP code	County
63701	Cape Girardeau County
63702	Cape Girardeau County
63703	Cape Girardeau County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Cape Girardeau codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Cape Girardeau. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Cape Girardeau ZIP code begins 637. Those first three digits identify the sectional center facility that processes mail for this part of Missouri. Statewide that range covers 42 ZIP codes, so Cape Girardeau accounts for 7% of it.

Every Missouri ZIP prefix and the region it covers →

Area codes covering Cape Girardeau

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Cape Girardeau occupies.

Cape Girardeau Missouri area codes in full →

Where Cape Girardeau's ZIP codes sit

Each point is one Cape Girardeau ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Cities near Cape Girardeau

The closest places to Cape Girardeau with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Scott City Missouri ZIP codes	6.0 mi	1 ZIP code
Gordonville Missouri ZIP codes	6.4 mi	1 ZIP code
Jackson Missouri ZIP codes	7.2 mi	1 ZIP code
Kelso Missouri ZIP codes	8.1 mi	1 ZIP code
Chaffee Missouri ZIP codes	11 mi	1 ZIP code
Commerce Missouri ZIP codes	12 mi	1 ZIP code
Delta Missouri ZIP codes	13 mi	1 ZIP code
Pocahontas Missouri ZIP codes	14 mi	1 ZIP code

Straight-line distance between place reference points, not driving distance.